Answer: No
Explanation: It is beneficial if the animals that are disadvantageous doesn't reproduce so it doesn't discredit natural selection. The traits in which variation is occured are more suitable for organism to live and reproduce in the environment are preserved and are passed from generation to generation.
However, natural selection effects limited number of progeny.
Option C. Organisms were probably more complex during past eras.
The formula for hydrate indicates the number of water molecules that are attached to each formula unit of the compound. Forexample, nickel (II) sulfate hexahydrate is a green/blue solid that has six water molecules included in the crystal foreach Ni2+and each SO42-ion.Many common minerals are
<h3>What is a hydrate ?</h3>
Any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight.
- The best-known hydrates are crystalline solids that lose their fundamental structures upon removal of the bound water.
- Hydrates are formed when water and light end natural gases come into contact at certain temperature and pressure conditions
Learn more about Hydrates here:
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Basically ionic bonds can be formed between a metal atom and something called a radical ion. The radical ion could have covalent bonds within themselves, for example, CO3- is a radical ion.